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137 discussions - 602 posts

  • Hi, When adding a field to a document, Field.Index gives me four options: NO, NO_NORMS, TOKENIZED and UN_TOKENIZED. NO_NORMS means, according to the documentation "index the field's value without an ...
    Nadav Har'ElNadav Har'El
    Jan 23, 2007 at 3:16 pm
    Feb 21, 2007 at 2:08 pm
  • Hi! With a project we want to use Lucene in, we are running into performance problems with regard to building filter sets. Let me give you a quick overview of what we need to do: We are indexing ...
    Kay RoepkeKay Roepke
    Jan 13, 2007 at 6:15 pm
    Jan 14, 2007 at 5:54 pm
  • I have released a Technology preview of my Lucene query parser Qsol. This is the first official release. The purpose of this release is to gather feedback for a 1.0 release. If you have an interest ...
    Mark MillerMark Miller
    Jan 10, 2007 at 3:46 am
    Jan 22, 2007 at 11:43 pm
  • Is there a simple way to turn off field-search syntax in the Lucene parser, and have Lucene recognize words ending in a colon ":" as search terms instead? Such words are very common occurrences for ...
    Felix LitmanFelix Litman
    Jan 28, 2007 at 3:24 pm
    Apr 6, 2007 at 10:41 pm
  • I have used Lucene to index a small collection - only a few hundred documents. I have a potential client who wants to index a collection which will start at about a million documents and could easily ...
    Bill TaylorBill Taylor
    Jan 26, 2007 at 5:09 am
    Jan 31, 2007 at 5:44 am
  • I'm running into a little dilemma with Lucene highlighting and indexing. I currently index anything and everything that gets inserted into a database. This database includes all the content that is ...
    MoraleslosMoraleslos
    Jan 10, 2007 at 3:46 pm
    Jan 11, 2007 at 9:58 pm
  • 11

    Score

    Hi, I have one index with one document with title "Logistics" I have a second index with the same document with title "Logistics" and other documents (some contains the word "Logistics" as well) If I ...
    DECAFFMEYER MATHIEUDECAFFMEYER MATHIEU
    Jan 29, 2007 at 9:44 am
    Feb 1, 2007 at 8:11 am
  • Hi... I am a Final Year Undergrad.My Final year project is about search engine for XML Document..I am currently building this system using Lucene. The example of XML element from an XML document : ...
    Maureen tanuwidjajaMaureen tanuwidjaja
    Jan 24, 2007 at 7:55 pm
    Jan 26, 2007 at 4:51 pm
  • Hi all. I am trying to make some experiments in an algorithm that scores results by counting how many words of the query submited are in a document. For example if i enter the query A B D A The ...
    Vagelis KotsonisVagelis Kotsonis
    Jan 18, 2007 at 10:22 pm
    Jan 23, 2007 at 10:43 pm
  • Thanks for advanced on any insight on this one. I have a fairly large query to run, and it takes roughly 20-40 seconds to complete the way that i have it. here is the best example I can give. I have ...
    SdeckSdeck
    Jan 2, 2007 at 10:33 pm
    Jan 11, 2007 at 8:17 pm
  • Hello! I have to index 37million documents retrieved from the database. I was trying to do by loading intervals of 10000 records but it is too slow. Anybody could sugest a better way to get all the ...
    AliceAlice
    Jan 11, 2007 at 3:49 pm
    Jan 11, 2007 at 6:07 pm
  • Good morning all (or good afternoon) I used Lucene many times before, to search text in French Or English. All worked fine :-) But now I have a new challenge, I need to use Lucene with Khmer (Khmer ...
    Fournaux NicolasFournaux Nicolas
    Jan 24, 2007 at 10:29 am
    Jan 25, 2007 at 9:05 am
  • Hi All, I have created a 8GB index of almost 2 million documents. My requirement is to run nearly 0.72 million query on this index. Each query consists of 200 - 400 words. I have created a Boolean ...
    Somnath BanerjeeSomnath Banerjee
    Jan 22, 2007 at 11:35 am
    Jan 24, 2007 at 5:03 am
  • Hello, I'm trying to get a better understanding of Lucene's search operators as described in the documentation at http://lucene.apache.org/java/docs/queryparsersyntax.html The documentation goes out ...
    Walt StoneburnerWalt Stoneburner
    Jan 10, 2007 at 4:33 pm
    Jan 11, 2007 at 1:11 am
  • I'm trying what should be the dumbest possible example of concurrency management with 2.0 in Java with an ordinary FSDirectory. I create an IndexWriter from a pathname, an IndexReader from the same ...
    Benson MarguliesBenson Margulies
    Jan 10, 2007 at 8:45 pm
    Jan 10, 2007 at 11:48 pm
  • Hi, all, The equation for similarity is given on this web page: http://lucene.apache.org/java/docs/api/org/apache/lucene/search/Similari ty.html I would like to know what are the equations for ...
    J.ZhuJ.Zhu
    Jan 6, 2007 at 7:52 pm
    Jan 8, 2007 at 6:14 pm
  • Hi, I am indexing thousands of XML document,then it stops after indexing for about 7 hrs ... Indexing C:\sweetpea\wikipedia_xmlfiles\part-0\37003.xml Indexing ...
    Maureen tanuwidjajaMaureen tanuwidjaja
    Jan 25, 2007 at 9:12 am
    Jan 25, 2007 at 8:26 pm
  • Hi All This is a question for those familiar with lucene document scoring. How does it compare with googles PageRank or HITS, or are they very different? I have being looking at the PageRank ...
    EDMOND KEMOKAIEDMOND KEMOKAI
    Jan 22, 2007 at 6:34 pm
    Jan 23, 2007 at 5:18 pm
  • Hi all: I want first erase the original index and then create an index for appending, I use the following python code using ports pyLucene. def store(doc) store = ...
    DavidDavid
    Jan 15, 2007 at 7:56 am
    Jan 15, 2007 at 7:00 pm
  • Hi, I recently run the FieldNormModifier (see http://issues.apache.org/jira/browse/LUCENE-741 ) on 8 fields that I wanted to turn into NO_NORMS fields. I run this on several optimized .cfs indices. ...
    Otis GospodneticOtis Gospodnetic
    Jan 9, 2007 at 7:37 am
    Jan 10, 2007 at 5:36 am
  • hi , i am using Lucene2.0.0 with jre1.4.2_03 . it is simple program in which i am indexing an xml file . but when i run it , i get this error java.lang.NoSuchMethodError: ...
    MaarshMaarsh
    Jan 4, 2007 at 8:40 am
    Jan 5, 2007 at 1:37 pm
  • Hi, In trying to understand scoring and boosting a bit better, I tried setting a boost of 0.0F for a field. As it's used as a multiplier, I wanted to see how it affects score. I added a single ...
    Antony BowesmanAntony Bowesman
    Jan 30, 2007 at 11:55 pm
    Feb 2, 2007 at 10:14 am
  • I notice that the Lucene book offered by Amazon was published in 2004. I saw some mail on the subject of a new edition. Is the new edition available in any form? I promise to buy the new edition as ...
    Bill TaylorBill Taylor
    Jan 26, 2007 at 6:20 pm
    Jan 29, 2007 at 4:32 am
  • Hi, I'm setting up lucene to work with our webapp to index a database. My db holds files which can belong to a user or a company or both. I want the option for my users to search across all content, ...
    Joost SchoutenJoost Schouten
    Jan 26, 2007 at 10:41 pm
    Jan 27, 2007 at 8:11 pm
  • Hi, Has anyone encountered significant amounts of Websphere Dark Matter generation when using Lucene? We have a scenario where a web search app using Lucene causes Websphere 5.1 allocated memory to ...
    Rollo du PreRollo du Pre
    Jan 16, 2007 at 4:03 pm
    Jan 23, 2007 at 1:03 pm
  • Hi again. I've been struggling for the last couple of days and getting nowhere, so it's time to swallow my pride and say "Help".... OK, let's say I have a document indexed and I do NOT have access to ...
    Erick EricksonErick Erickson
    Jan 18, 2007 at 9:07 pm
    Jan 19, 2007 at 6:56 pm
  • Hi, I have a table of objects Hit, I want to merge the different Hits objects of the table to have one Hits object. Is this possible ? Thank u for any help ! ...
    DECAFFMEYER MATHIEUDECAFFMEYER MATHIEU
    Jan 29, 2007 at 11:09 am
    Jan 29, 2007 at 10:22 pm
  • Hi all, Can you tell me the exact indexing algorithm used by Lucene. or give some links to the documents that describe the algorithm used by lucene Thanks in advance -- Sairaj Sunil
    Sairaj SunilSairaj Sunil
    Jan 24, 2007 at 4:36 pm
    Jan 26, 2007 at 11:49 am
  • Dear all, I m using lucene to index xml files. For parsing i m using JDOM to get XPATH nodes and do some manipulation on them and indexed them. All things work well but when the file size is very big ...
    Aslam bariAslam bari
    Jan 22, 2007 at 4:23 am
    Jan 22, 2007 at 10:55 pm
  • Hi! I am quite new to lucene, so forgive me if I cannot see something obvious. I have the following code: <----------------------------------------------------------Code Start ...
    Silegav_kSilegav_k
    Jan 17, 2007 at 12:38 am
    Jan 17, 2007 at 10:15 pm
  • I looked through the archive a bit and found some Q & A's regarding this but I didn't see anything definitive so I thought I'd ask again... Basically, I have a web page that can search through a ...
    Jiho HanJiho Han
    Jan 15, 2007 at 6:50 pm
    Jan 17, 2007 at 5:57 pm
  • Hi, I need to modify the StandardAnalyzer so that it will tokenize zip codes that look like this: 92626-2646 I think the part I need to modify is in here - specifically: <HAS_DIGIT <P <ALPHANUM // ...
    Van NguyenVan Nguyen
    Jan 12, 2007 at 1:13 am
    Jan 13, 2007 at 1:01 am
  • For various reasons, we'd like to eliminate the sort step. Our current query interface takes a start time and end time as an input range: RangeFilter rf = new RangeFilter("day", start, end, true, ...
    Rayvittal-listsRayvittal-lists
    Jan 23, 2007 at 7:37 pm
    Jan 31, 2007 at 2:36 am
  • Hi there, this is my very first post at this forum... please be considerate :) Well, i have a problem when sending a query such as: +description:< Once the query is parsed, it returns me the empty ...
    Poeta simbolistaPoeta simbolista
    Jan 29, 2007 at 6:35 pm
    Jan 30, 2007 at 2:03 pm
  • /** Returns the number of documents currently in this index. */ public synchronized int docCount() { int count = ramSegmentInfos.size(); for (int i = 0; i < segmentInfos.size(); i++) { SegmentInfo si ...
    Karl wettinKarl wettin
    Jan 27, 2007 at 7:56 pm
    Jan 28, 2007 at 7:00 pm
  • Hi, I'm pretty new to Lucene and I try to find some help here. I added the title of the document : doc.add(Field.Text("title", title)); e.g. the title is "Constructions" When I do a search on this ...
    DECAFFMEYER MATHIEUDECAFFMEYER MATHIEU
    Jan 23, 2007 at 10:38 am
    Jan 25, 2007 at 2:50 pm
  • Hopefully this a straight forward question, but what's the recommended approach for finding the most frequent terms in an index? Should this sort of thing be done overnight? Regards, Paul.
    Paul WilliamsPaul Williams
    Jan 19, 2007 at 8:36 am
    Jan 19, 2007 at 3:15 pm
  • Is there a way to index/search so that a query could be written to search on a field using arithmetic comparison operators? What I mean is if I had a date/time field called CREATEDATE, I would search ...
    Jiho HanJiho Han
    Jan 17, 2007 at 6:13 pm
    Jan 18, 2007 at 10:27 pm
  • Hi there, I'm having some strange behaviour using the highlighter and I'm wondering if it is a bug or should I take a different approach ? I want to highlight the search terms that were used to ...
    Heikki doelemanHeikki doeleman
    Jan 13, 2007 at 5:35 pm
    Jan 15, 2007 at 11:29 pm
  • Hi all: How do Lucene give each document an ID when the document is added and How do we retrieve a document by document ID? appreciate your help! -- David
    DavidDavid
    Jan 12, 2007 at 8:11 am
    Jan 15, 2007 at 8:04 am
  • Hi luceners, I don't have any question today. Simply I want to know how you test the efficiency of yours systems that works over Lucene. I think it will be a very interesting for all newbie (like me) ...
    Dan WigginDan Wiggin
    Jan 8, 2007 at 4:01 pm
    Jan 8, 2007 at 4:50 pm
  • Is there an analyzer that can work with XML? Any suggestions for such? -arturo --------------------------------------------------------------------- To unsubscribe, e-mail: ...
    Arturo PérezArturo Pérez
    Jan 25, 2007 at 8:05 pm
    Jan 31, 2007 at 12:04 am
  • OK,This is the printout of the stack trace while failing to indexing the 190,000th ocument Indexing C:\sweetpea\wikipedia_xmlfiles\part-180000\491886.xml Indexing ...
    Maureen tanuwidjajaMaureen tanuwidjaja
    Jan 29, 2007 at 2:16 am
    Jan 29, 2007 at 4:40 am
  • Hi all, Is there any limitation of number of file that lucene can handle? I indexed a total of 30000 XML Documents,however it stops at 10000th documents. No warning,no error ,no exception as well. ...
    Maureen tanuwidjajaMaureen tanuwidjaja
    Jan 27, 2007 at 5:41 pm
    Jan 28, 2007 at 3:56 pm
  • Does a special character lika a "-" prohibitor operator require no-space after it in order to work as a prohibitor? Typically on the web, e.g. Google and others, the "-" operator works as a boolean ...
    Felix LitmanFelix Litman
    Jan 23, 2007 at 5:36 pm
    Jan 23, 2007 at 10:21 pm
  • Is there a straightforward way to extend the "standard" parser to incorporate proximity into the score in multi-word queries, including boost factors? I.e. score results higher when query terms ...
    Felix LitmanFelix Litman
    Jan 23, 2007 at 6:01 pm
    Jan 23, 2007 at 7:58 pm
  • Hi, I am wondering if Lucene can handle the following queries: (1) A * * give me all documents with word A followed by exactly two words (2) A * * B * give me all documents with words A and B exactly ...
    David chrisDavid chris
    Jan 21, 2007 at 12:14 pm
    Jan 21, 2007 at 11:59 pm
  • -- View this message in context: http://www.nabble.com/sorting-issue-with-un-tokenized-field-tf3029674.html#a8418417 Sent from the Lucene - Java Users mailing list archive at Nabble.com. ...
    MoraleslosMoraleslos
    Jan 17, 2007 at 8:33 pm
    Jan 17, 2007 at 9:10 pm
  • Hi, I am confused using IndexReader.docFreq... I am using lucene 1.9 ....my code snippet is, int noofdoc = mreader.docFreq(new Term("TITLE","friends")); where mreader is MultiReader... few doc from ...
    Bhavin PandyaBhavin Pandya
    Jan 17, 2007 at 11:00 am
    Jan 17, 2007 at 12:59 pm
  • Hello, I'd like to index a web forum (phpBB) with Lucene. I wonder how to best map the forum document model (topics and their messages) to the Lucene document model. Usually, some forum member ...
    MelangeMelange
    Jan 13, 2007 at 9:50 am
    Jan 14, 2007 at 7:40 pm
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129 users for January 2007

Erick Erickson: 46 posts Chris Hostetter: 43 posts Mark Miller: 41 posts Otis Gospodnetic: 31 posts Doron Cohen: 23 posts Karl wettin: 17 posts David: 15 posts Erik Hatcher: 15 posts Maureen tanuwidjaja: 15 posts DECAFFMEYER MATHIEU: 13 posts Kay Roepke: 11 posts Vagelis Kotsonis: 11 posts Benson Margulies: 10 posts Michael McCandless: 9 posts Moraleslos: 9 posts Yonik Seeley: 9 posts Felix Litman: 8 posts Grant Ingersoll: 8 posts Aslam Bari: 7 posts Daniel Noll: 7 posts
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